Our Products

Gem Instrument Company

Gem Instrument has been a leading manufacturer of precision instruments for over 50 years. We are manufacturers of swivel clamps, dial indicators
and magnetic bases as well as custom products. Our state-of-the-art computerized numerical controlled machines ensure quality products. We provide
products to manufacturing, assembly and service industries.

Gem Adjustable Swivel Clamps

Swivels designed for your exact applications

Anti-vibration lock provides positive, rigid holding power

Any combination of 17 standard size holding diameters:

Heavy Duty: from 3/8" x 3/8" to 1" x 1" diameter

Medium Duty: from 5/32" x 1/4" to 1/2" x 3/8" diameter

Available in: stainless steel for sanitary and corrosion-resistant applications

Special sizes available | Available with flanged hex nut for greater torque